Cheapest return flights from Boston to Shannon in March from 304€

AirHint found the following cheapest return flights from Boston (BOS) to Shannon (SNN) in March 2026 (see full year).

Return flights

21 Mar - 26 Mar Aer Lingus direct
03 Mar - 10 Mar Aer Lingus direct
13 Mar - 21 Mar Aer Lingus direct

Also check the deals for one-way flights from Boston to Shannon in March.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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